<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
    <style>
        /* 添加样式 */
        body{
            width: 200px;
            height: 200px;
            background-color: pink;
        }
    </style>
</head>
<body>
    <!-- 写了个首页 -->
    <div>写了个首页</div>

    <!-- 添加了一个u -->
    <img src="./u.jpg" alt="">
    
    <!-- 添加了一个uu -->
    <img src="./uu.jpg" alt="">
</body>
</html>